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Great Lakes Forecast
Issued by NWS
Issued by NWS
910 FZUS63 KMKX 072011 AAA GLFLM OPEN LAKE FORECAST for Lake Michigan...UPDATED National Weather Service Milwaukee/Sullivan WI 311 PM CDT Sun Jul 7 2024 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON Lake Michigan. Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the wave, along with the average height of the highest 10% of the waves which will occasionally be encountered. .SYNOPSIS... High pressure around 30.0 inches over Lake Erie will shift to the northeast through Monday, resulting in southerly winds across the open waters. Scattered showers and thunderstorms are anticipated at times tonight into Monday evening. A cold front will move across the open waters late Monday into Monday night, resulting in a wind shift out of the west by Tuesday morning. Later Tuesday night into Wednesday night, there is a potential for stronger winds over the southern portion of the lake, depending on the eventual track of the remains of Tropical Storm Beryl, which may track across central and north central Indiana. This potential will be updated in later forecasts. LMZ261-362-364-366-563-565-567-868-080315- Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and north of a line from Charlevoix MI to South Fox Island 5 NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to Mid Lake- Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI- Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid Lake- 311 PM CDT Sun Jul 7 2024 SHEBOYGAN WI TO PENTWATER MI NORTH... .TONIGHT...South winds 10 to 20 kt. Chance of showers and thunderstorms overnight. Waves 1 to 2 ft. .MONDAY...South winds 10 to 20 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft. .MONDAY NIGHT...Southwest winds 10 to 20 kt diminishing to 10 to 15 kt late in the evening, then diminishing to 5 to 10 kt after midnight becoming west late. Waves 1 to 3 ft. .TUESDAY...West winds 5 to 10 kt becoming southwest 10 to 15 kt. Waves 1 ft or less. .TUESDAY NIGHT...Northwest winds 5 to 10 kt becoming northeast. Waves 1 ft or less. .WEDNESDAY...Northeast winds 10 to 15 kt becoming north 10 to 20 kt. Waves 1 to 2 ft. .WEDNESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 1 to 2 ft. .THURSDAY...North winds 10 to 15 kt. Waves 1 to 2 ft. .FRIDAY...Southwest winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 ft or less. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-080315- Lake Michigan from Michigan City IN to St. Joseph MI 5 NM offshore to Mid Lake- Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5 NM offshore to Mid Lake- Lake Michigan from North Point Light to Wind Point WI 5 NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid Lake- Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to Mid Lake- 311 PM CDT Sun Jul 7 2024 SHEBOYGAN WI TO PENTWATER MI SOUTH... .TONIGHT...South winds 10 to 20 kt. Slight chance of showers and thunderstorms this evening, then chance of showers and thunderstorms overnight. Waves 1 to 2 ft. .MONDAY...South winds 10 to 15 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft. .MONDAY NIGHT...South winds 10 to 15 kt becoming west 5 to 10 kt. Chance of showers and thunderstorms in the evening. Waves 1 to 2 ft. .TUESDAY...West winds 5 to 10 kt backing to south. Waves 1 ft or less. .TUESDAY NIGHT...Northeast winds 5 to 10 kt. Waves 1 ft or less. .WEDNESDAY...Northeast winds 10 to 20 kt becoming north 15 to 25 kt. Chance of showers. Waves 1 to 3 ft. .WEDNESDAY NIGHT...North winds 15 to 25 kt diminishing to 10 to 15 kt. Waves 1 to 3 ft. .THURSDAY...North winds 10 to 15 kt. Waves 1 to 2 ft. .FRIDAY...Southwest winds 5 to 10 kt becoming south 10 to 15 kt. Waves 1 ft or less. $$ LMZ761-080315- MAFOR 0722/ MICHIGAN NORTH 11410 11420 12410 12420 11410 11420. A chance of showers and thunderstorms overnight and Monday. Waves 2 feet or less. MICHIGAN SOUTH 11310 11420 11410 11420 14410. A chance of showers and thunderstorms overnight and Monday. Waves 2 feet or less. $$ Wood Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes